Home / 132,225.40-198,386.70-53,347.60

Finding the Fourth Proportional to 132,225.40, 198,386.70 and 53,347.60

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Solution

The fourth proportional to 132,225.40, 198,386.70 and 53,347.60 is: 80,041.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,225.40 : 198,386.70 = 53,347.60 : x
  2. Step 2: Convert to fraction form
    132,225.40/198,386.70 = 53,347.60/x
  3. Step 3: Cross multiply
    132,225.40x = 198,386.70 × 53,347.60
  4. Step 4: Simplify right side
    132,225.40x = 10,583,454,316.92
  5. Step 5: Solve for x
    x = 10,583,454,316.92/132,225.40
  6. Step 6: Final answer
    x = 80,041.01

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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.