Home / 186,543.92-257,436.06-101,666.46

Finding the Fourth Proportional to 186,543.92, 257,436.06 and 101,666.46

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Solution

The fourth proportional to 186,543.92, 257,436.06 and 101,666.46 is: 140,302.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,543.92 : 257,436.06 = 101,666.46 : x
  2. Step 2: Convert to fraction form
    186,543.92/257,436.06 = 101,666.46/x
  3. Step 3: Cross multiply
    186,543.92x = 257,436.06 × 101,666.46
  4. Step 4: Simplify right side
    186,543.92x = 26,172,612,896.55
  5. Step 5: Solve for x
    x = 26,172,612,896.55/186,543.92
  6. Step 6: Final answer
    x = 140,302.69

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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.