Home / 158,065.04-218,342.76-126,459.92

Finding the Fourth Proportional to 158,065.04, 218,342.76 and 126,459.92

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Solution

The fourth proportional to 158,065.04, 218,342.76 and 126,459.92 is: 174,685.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,065.04 : 218,342.76 = 126,459.92 : x
  2. Step 2: Convert to fraction form
    158,065.04/218,342.76 = 126,459.92/x
  3. Step 3: Cross multiply
    158,065.04x = 218,342.76 × 126,459.92
  4. Step 4: Simplify right side
    158,065.04x = 27,611,607,962.18
  5. Step 5: Solve for x
    x = 27,611,607,962.18/158,065.04
  6. Step 6: Final answer
    x = 174,685.10

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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.