Home / 127,346.18-175,730.01-70,755.62

Finding the Fourth Proportional to 127,346.18, 175,730.01 and 70,755.62

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Solution

The fourth proportional to 127,346.18, 175,730.01 and 70,755.62 is: 97,638.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,346.18 : 175,730.01 = 70,755.62 : x
  2. Step 2: Convert to fraction form
    127,346.18/175,730.01 = 70,755.62/x
  3. Step 3: Cross multiply
    127,346.18x = 175,730.01 × 70,755.62
  4. Step 4: Simplify right side
    127,346.18x = 12,433,885,810.16
  5. Step 5: Solve for x
    x = 12,433,885,810.16/127,346.18
  6. Step 6: Final answer
    x = 97,638.47

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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.