Home / 119,681.48-165,159.06-69,385.16

Finding the Fourth Proportional to 119,681.48, 165,159.06 and 69,385.16

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Solution

The fourth proportional to 119,681.48, 165,159.06 and 69,385.16 is: 95,750.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,681.48 : 165,159.06 = 69,385.16 : x
  2. Step 2: Convert to fraction form
    119,681.48/165,159.06 = 69,385.16/x
  3. Step 3: Cross multiply
    119,681.48x = 165,159.06 × 69,385.16
  4. Step 4: Simplify right side
    119,681.48x = 11,459,587,803.55
  5. Step 5: Solve for x
    x = 11,459,587,803.55/119,681.48
  6. Step 6: Final answer
    x = 95,750.72

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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.