Home / 113,077.02-156,066.44-84,539.91

Finding the Fourth Proportional to 113,077.02, 156,066.44 and 84,539.91

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Solution

The fourth proportional to 113,077.02, 156,066.44 and 84,539.91 is: 116,680.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,077.02 : 156,066.44 = 84,539.91 : x
  2. Step 2: Convert to fraction form
    113,077.02/156,066.44 = 84,539.91/x
  3. Step 3: Cross multiply
    113,077.02x = 156,066.44 × 84,539.91
  4. Step 4: Simplify right side
    113,077.02x = 13,193,842,368.92
  5. Step 5: Solve for x
    x = 13,193,842,368.92/113,077.02
  6. Step 6: Final answer
    x = 116,680.14

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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.