Home / 127,339.24-175,732.58-70,753

Finding the Fourth Proportional to 127,339.24, 175,732.58 and 70,753

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Solution

The fourth proportional to 127,339.24, 175,732.58 and 70,753 is: 97,641.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,339.24 : 175,732.58 = 70,753 : x
  2. Step 2: Convert to fraction form
    127,339.24/175,732.58 = 70,753/x
  3. Step 3: Cross multiply
    127,339.24x = 175,732.58 × 70,753
  4. Step 4: Simplify right side
    127,339.24x = 12,433,607,232.74
  5. Step 5: Solve for x
    x = 12,433,607,232.74/127,339.24
  6. Step 6: Final answer
    x = 97,641.60

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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.