Home / 113,395.02-156,416.31-70,918.62

Finding the Fourth Proportional to 113,395.02, 156,416.31 and 70,918.62

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Solution

The fourth proportional to 113,395.02, 156,416.31 and 70,918.62 is: 97,824.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,395.02 : 156,416.31 = 70,918.62 : x
  2. Step 2: Convert to fraction form
    113,395.02/156,416.31 = 70,918.62/x
  3. Step 3: Cross multiply
    113,395.02x = 156,416.31 × 70,918.62
  4. Step 4: Simplify right side
    113,395.02x = 11,092,828,850.69
  5. Step 5: Solve for x
    x = 11,092,828,850.69/113,395.02
  6. Step 6: Final answer
    x = 97,824.66

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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.