Home / 186,210.12-256,925.16-109,732.34

Finding the Fourth Proportional to 186,210.12, 256,925.16 and 109,732.34

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Solution

The fourth proportional to 186,210.12, 256,925.16 and 109,732.34 is: 151,404.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,210.12 : 256,925.16 = 109,732.34 : x
  2. Step 2: Convert to fraction form
    186,210.12/256,925.16 = 109,732.34/x
  3. Step 3: Cross multiply
    186,210.12x = 256,925.16 × 109,732.34
  4. Step 4: Simplify right side
    186,210.12x = 28,192,999,011.67
  5. Step 5: Solve for x
    x = 28,192,999,011.67/186,210.12
  6. Step 6: Final answer
    x = 151,404.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.