Home / 127,154.16-175,469.40-70,564.08

Finding the Fourth Proportional to 127,154.16, 175,469.40 and 70,564.08

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Solution

The fourth proportional to 127,154.16, 175,469.40 and 70,564.08 is: 97,376.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,154.16 : 175,469.40 = 70,564.08 : x
  2. Step 2: Convert to fraction form
    127,154.16/175,469.40 = 70,564.08/x
  3. Step 3: Cross multiply
    127,154.16x = 175,469.40 × 70,564.08
  4. Step 4: Simplify right side
    127,154.16x = 12,381,836,779.15
  5. Step 5: Solve for x
    x = 12,381,836,779.15/127,154.16
  6. Step 6: Final answer
    x = 97,376.58

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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.