Home / 113,591.16-156,782.53-70,603.13

Finding the Fourth Proportional to 113,591.16, 156,782.53 and 70,603.13

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Solution

The fourth proportional to 113,591.16, 156,782.53 and 70,603.13 is: 97,448.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,591.16 : 156,782.53 = 70,603.13 : x
  2. Step 2: Convert to fraction form
    113,591.16/156,782.53 = 70,603.13/x
  3. Step 3: Cross multiply
    113,591.16x = 156,782.53 × 70,603.13
  4. Step 4: Simplify right side
    113,591.16x = 11,069,336,386.90
  5. Step 5: Solve for x
    x = 11,069,336,386.90/113,591.16
  6. Step 6: Final answer
    x = 97,448.92

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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.