Home / 113,427.04-156,280.56-84,625.12

Finding the Fourth Proportional to 113,427.04, 156,280.56 and 84,625.12

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Solution

The fourth proportional to 113,427.04, 156,280.56 and 84,625.12 is: 116,597.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,427.04 : 156,280.56 = 84,625.12 : x
  2. Step 2: Convert to fraction form
    113,427.04/156,280.56 = 84,625.12/x
  3. Step 3: Cross multiply
    113,427.04x = 156,280.56 × 84,625.12
  4. Step 4: Simplify right side
    113,427.04x = 13,225,261,143.67
  5. Step 5: Solve for x
    x = 13,225,261,143.67/113,427.04
  6. Step 6: Final answer
    x = 116,597.08

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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.