Home / 127,118.76-175,423.50-70,535.40

Finding the Fourth Proportional to 127,118.76, 175,423.50 and 70,535.40

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Solution

The fourth proportional to 127,118.76, 175,423.50 and 70,535.40 is: 97,338.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,118.76 : 175,423.50 = 70,535.40 : x
  2. Step 2: Convert to fraction form
    127,118.76/175,423.50 = 70,535.40/x
  3. Step 3: Cross multiply
    127,118.76x = 175,423.50 × 70,535.40
  4. Step 4: Simplify right side
    127,118.76x = 12,373,566,741.90
  5. Step 5: Solve for x
    x = 12,373,566,741.90/127,118.76
  6. Step 6: Final answer
    x = 97,338.64

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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.