Home / 113,308.04-156,220.62-70,851.08

Finding the Fourth Proportional to 113,308.04, 156,220.62 and 70,851.08

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Solution

The fourth proportional to 113,308.04, 156,220.62 and 70,851.08 is: 97,684.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,308.04 : 156,220.62 = 70,851.08 : x
  2. Step 2: Convert to fraction form
    113,308.04/156,220.62 = 70,851.08/x
  3. Step 3: Cross multiply
    113,308.04x = 156,220.62 × 70,851.08
  4. Step 4: Simplify right side
    113,308.04x = 11,068,399,645.27
  5. Step 5: Solve for x
    x = 11,068,399,645.27/113,308.04
  6. Step 6: Final answer
    x = 97,684.15

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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.