Home / 186,547.13-257,436.86-101,666.01

Finding the Fourth Proportional to 186,547.13, 257,436.86 and 101,666.01

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Solution

The fourth proportional to 186,547.13, 257,436.86 and 101,666.01 is: 140,300.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,547.13 : 257,436.86 = 101,666.01 : x
  2. Step 2: Convert to fraction form
    186,547.13/257,436.86 = 101,666.01/x
  3. Step 3: Cross multiply
    186,547.13x = 257,436.86 × 101,666.01
  4. Step 4: Simplify right side
    186,547.13x = 26,172,577,874.80
  5. Step 5: Solve for x
    x = 26,172,577,874.80/186,547.13
  6. Step 6: Final answer
    x = 140,300.09

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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.