Home / 127,594.13-176,079.89-71,005.55

Finding the Fourth Proportional to 127,594.13, 176,079.89 and 71,005.55

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Solution

The fourth proportional to 127,594.13, 176,079.89 and 71,005.55 is: 97,987.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,594.13 : 176,079.89 = 71,005.55 : x
  2. Step 2: Convert to fraction form
    127,594.13/176,079.89 = 71,005.55/x
  3. Step 3: Cross multiply
    127,594.13x = 176,079.89 × 71,005.55
  4. Step 4: Simplify right side
    127,594.13x = 12,502,648,730.50
  5. Step 5: Solve for x
    x = 12,502,648,730.50/127,594.13
  6. Step 6: Final answer
    x = 97,987.65

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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.