Home / 127,130.08-175,440.72-70,546.72

Finding the Fourth Proportional to 127,130.08, 175,440.72 and 70,546.72

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Solution

The fourth proportional to 127,130.08, 175,440.72 and 70,546.72 is: 97,355.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,130.08 : 175,440.72 = 70,546.72 : x
  2. Step 2: Convert to fraction form
    127,130.08/175,440.72 = 70,546.72/x
  3. Step 3: Cross multiply
    127,130.08x = 175,440.72 × 70,546.72
  4. Step 4: Simplify right side
    127,130.08x = 12,376,767,350.44
  5. Step 5: Solve for x
    x = 12,376,767,350.44/127,130.08
  6. Step 6: Final answer
    x = 97,355.14

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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.