Home / 113,431.02-156,533.54-62,442.66

Finding the Fourth Proportional to 113,431.02, 156,533.54 and 62,442.66

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Solution

The fourth proportional to 113,431.02, 156,533.54 and 62,442.66 is: 86,170.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,431.02 : 156,533.54 = 62,442.66 : x
  2. Step 2: Convert to fraction form
    113,431.02/156,533.54 = 62,442.66/x
  3. Step 3: Cross multiply
    113,431.02x = 156,533.54 × 62,442.66
  4. Step 4: Simplify right side
    113,431.02x = 9,774,370,304.60
  5. Step 5: Solve for x
    x = 9,774,370,304.60/113,431.02
  6. Step 6: Final answer
    x = 86,170.17

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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.