Home / 113,946.60-170,921.04-74,752.32

Finding the Fourth Proportional to 113,946.60, 170,921.04 and 74,752.32

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Solution

The fourth proportional to 113,946.60, 170,921.04 and 74,752.32 is: 112,129.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,946.60 : 170,921.04 = 74,752.32 : x
  2. Step 2: Convert to fraction form
    113,946.60/170,921.04 = 74,752.32/x
  3. Step 3: Cross multiply
    113,946.60x = 170,921.04 × 74,752.32
  4. Step 4: Simplify right side
    113,946.60x = 12,776,744,276.81
  5. Step 5: Solve for x
    x = 12,776,744,276.81/113,946.60
  6. Step 6: Final answer
    x = 112,129.23

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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.