Home / 119,547.85-164,926.51-71,140.08

Finding the Fourth Proportional to 119,547.85, 164,926.51 and 71,140.08

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Solution

The fourth proportional to 119,547.85, 164,926.51 and 71,140.08 is: 98,143.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,547.85 : 164,926.51 = 71,140.08 : x
  2. Step 2: Convert to fraction form
    119,547.85/164,926.51 = 71,140.08/x
  3. Step 3: Cross multiply
    119,547.85x = 164,926.51 × 71,140.08
  4. Step 4: Simplify right side
    119,547.85x = 11,732,885,115.52
  5. Step 5: Solve for x
    x = 11,732,885,115.52/119,547.85
  6. Step 6: Final answer
    x = 98,143.84

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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.