Home / 113,160.90-156,097.08-70,645.62

Finding the Fourth Proportional to 113,160.90, 156,097.08 and 70,645.62

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Solution

The fourth proportional to 113,160.90, 156,097.08 and 70,645.62 is: 97,450.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,160.90 : 156,097.08 = 70,645.62 : x
  2. Step 2: Convert to fraction form
    113,160.90/156,097.08 = 70,645.62/x
  3. Step 3: Cross multiply
    113,160.90x = 156,097.08 × 70,645.62
  4. Step 4: Simplify right side
    113,160.90x = 11,027,574,996.79
  5. Step 5: Solve for x
    x = 11,027,574,996.79/113,160.90
  6. Step 6: Final answer
    x = 97,450.40

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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.