Home / 113,591.42-156,782.88-70,603.38

Finding the Fourth Proportional to 113,591.42, 156,782.88 and 70,603.38

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Solution

The fourth proportional to 113,591.42, 156,782.88 and 70,603.38 is: 97,449.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,591.42 : 156,782.88 = 70,603.38 : x
  2. Step 2: Convert to fraction form
    113,591.42/156,782.88 = 70,603.38/x
  3. Step 3: Cross multiply
    113,591.42x = 156,782.88 × 70,603.38
  4. Step 4: Simplify right side
    113,591.42x = 11,069,400,901.12
  5. Step 5: Solve for x
    x = 11,069,400,901.12/113,591.42
  6. Step 6: Final answer
    x = 97,449.27

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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.