Home / 113,355.01-169,032.45-112,343.21

Finding the Fourth Proportional to 113,355.01, 169,032.45 and 112,343.21

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Solution

The fourth proportional to 113,355.01, 169,032.45 and 112,343.21 is: 167,523.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,355.01 : 169,032.45 = 112,343.21 : x
  2. Step 2: Convert to fraction form
    113,355.01/169,032.45 = 112,343.21/x
  3. Step 3: Cross multiply
    113,355.01x = 169,032.45 × 112,343.21
  4. Step 4: Simplify right side
    113,355.01x = 18,989,648,027.16
  5. Step 5: Solve for x
    x = 18,989,648,027.16/113,355.01
  6. Step 6: Final answer
    x = 167,523.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.