Home / 133,055.60-199,421.40-58,017.20

Finding the Fourth Proportional to 133,055.60, 199,421.40 and 58,017.20

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Solution

The fourth proportional to 133,055.60, 199,421.40 and 58,017.20 is: 86,955.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,055.60 : 199,421.40 = 58,017.20 : x
  2. Step 2: Convert to fraction form
    133,055.60/199,421.40 = 58,017.20/x
  3. Step 3: Cross multiply
    133,055.60x = 199,421.40 × 58,017.20
  4. Step 4: Simplify right side
    133,055.60x = 11,569,871,248.08
  5. Step 5: Solve for x
    x = 11,569,871,248.08/133,055.60
  6. Step 6: Final answer
    x = 86,955.16

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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.