Home / 127,124.50-175,431.84-70,536.28

Finding the Fourth Proportional to 127,124.50, 175,431.84 and 70,536.28

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Solution

The fourth proportional to 127,124.50, 175,431.84 and 70,536.28 is: 97,340.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,124.50 : 175,431.84 = 70,536.28 : x
  2. Step 2: Convert to fraction form
    127,124.50/175,431.84 = 70,536.28/x
  3. Step 3: Cross multiply
    127,124.50x = 175,431.84 × 70,536.28
  4. Step 4: Simplify right side
    127,124.50x = 12,374,309,387.16
  5. Step 5: Solve for x
    x = 12,374,309,387.16/127,124.50
  6. Step 6: Final answer
    x = 97,340.08

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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.