Home / 186,429.24-257,278.80-105,854.16

Finding the Fourth Proportional to 186,429.24, 257,278.80 and 105,854.16

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Solution

The fourth proportional to 186,429.24, 257,278.80 and 105,854.16 is: 146,082.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,429.24 : 257,278.80 = 105,854.16 : x
  2. Step 2: Convert to fraction form
    186,429.24/257,278.80 = 105,854.16/x
  3. Step 3: Cross multiply
    186,429.24x = 257,278.80 × 105,854.16
  4. Step 4: Simplify right side
    186,429.24x = 27,234,031,259.81
  5. Step 5: Solve for x
    x = 27,234,031,259.81/186,429.24
  6. Step 6: Final answer
    x = 146,082.40

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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.