Home / 127,137.04-175,441.32-70,545.04

Finding the Fourth Proportional to 127,137.04, 175,441.32 and 70,545.04

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Solution

The fourth proportional to 127,137.04, 175,441.32 and 70,545.04 is: 97,347.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,137.04 : 175,441.32 = 70,545.04 : x
  2. Step 2: Convert to fraction form
    127,137.04/175,441.32 = 70,545.04/x
  3. Step 3: Cross multiply
    127,137.04x = 175,441.32 × 70,545.04
  4. Step 4: Simplify right side
    127,137.04x = 12,376,514,937.05
  5. Step 5: Solve for x
    x = 12,376,514,937.05/127,137.04
  6. Step 6: Final answer
    x = 97,347.83

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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.