Home / 113,643.60-156,820.95-62,653.55

Finding the Fourth Proportional to 113,643.60, 156,820.95 and 62,653.55

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Solution

The fourth proportional to 113,643.60, 156,820.95 and 62,653.55 is: 86,457.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,643.60 : 156,820.95 = 62,653.55 : x
  2. Step 2: Convert to fraction form
    113,643.60/156,820.95 = 62,653.55/x
  3. Step 3: Cross multiply
    113,643.60x = 156,820.95 × 62,653.55
  4. Step 4: Simplify right side
    113,643.60x = 9,825,388,447.77
  5. Step 5: Solve for x
    x = 9,825,388,447.77/113,643.60
  6. Step 6: Final answer
    x = 86,457.91

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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.