Home / 186,053.18-256,732.00-105,464.66

Finding the Fourth Proportional to 186,053.18, 256,732.00 and 105,464.66

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Solution

The fourth proportional to 186,053.18, 256,732.00 and 105,464.66 is: 145,529.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,053.18 : 256,732.00 = 105,464.66 : x
  2. Step 2: Convert to fraction form
    186,053.18/256,732.00 = 105,464.66/x
  3. Step 3: Cross multiply
    186,053.18x = 256,732.00 × 105,464.66
  4. Step 4: Simplify right side
    186,053.18x = 27,076,151,543.80
  5. Step 5: Solve for x
    x = 27,076,151,543.80/186,053.18
  6. Step 6: Final answer
    x = 145,529.10

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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.