Home / 147,001.32-202,923.88-99,319.25

Finding the Fourth Proportional to 147,001.32, 202,923.88 and 99,319.25

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Solution

The fourth proportional to 147,001.32, 202,923.88 and 99,319.25 is: 137,102.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,001.32 : 202,923.88 = 99,319.25 : x
  2. Step 2: Convert to fraction form
    147,001.32/202,923.88 = 99,319.25/x
  3. Step 3: Cross multiply
    147,001.32x = 202,923.88 × 99,319.25
  4. Step 4: Simplify right side
    147,001.32x = 20,154,247,827.70
  5. Step 5: Solve for x
    x = 20,154,247,827.70/147,001.32
  6. Step 6: Final answer
    x = 137,102.50

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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.