Home / 113,746.16-170,269.26-74,218.16

Finding the Fourth Proportional to 113,746.16, 170,269.26 and 74,218.16

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Solution

The fourth proportional to 113,746.16, 170,269.26 and 74,218.16 is: 111,098.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,746.16 : 170,269.26 = 74,218.16 : x
  2. Step 2: Convert to fraction form
    113,746.16/170,269.26 = 74,218.16/x
  3. Step 3: Cross multiply
    113,746.16x = 170,269.26 × 74,218.16
  4. Step 4: Simplify right side
    113,746.16x = 12,637,071,181.76
  5. Step 5: Solve for x
    x = 12,637,071,181.76/113,746.16
  6. Step 6: Final answer
    x = 111,098.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.