Home / 134,881.60-202,322.40-64,724.80

Finding the Fourth Proportional to 134,881.60, 202,322.40 and 64,724.80

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Solution

The fourth proportional to 134,881.60, 202,322.40 and 64,724.80 is: 97,087.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,881.60 : 202,322.40 = 64,724.80 : x
  2. Step 2: Convert to fraction form
    134,881.60/202,322.40 = 64,724.80/x
  3. Step 3: Cross multiply
    134,881.60x = 202,322.40 × 64,724.80
  4. Step 4: Simplify right side
    134,881.60x = 13,095,276,875.52
  5. Step 5: Solve for x
    x = 13,095,276,875.52/134,881.60
  6. Step 6: Final answer
    x = 97,087.20

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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.