Home / 163,030.60-224,992.98-91,415.20

Finding the Fourth Proportional to 163,030.60, 224,992.98 and 91,415.20

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Solution

The fourth proportional to 163,030.60, 224,992.98 and 91,415.20 is: 126,159.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,030.60 : 224,992.98 = 91,415.20 : x
  2. Step 2: Convert to fraction form
    163,030.60/224,992.98 = 91,415.20/x
  3. Step 3: Cross multiply
    163,030.60x = 224,992.98 × 91,415.20
  4. Step 4: Simplify right side
    163,030.60x = 20,567,778,265.30
  5. Step 5: Solve for x
    x = 20,567,778,265.30/163,030.60
  6. Step 6: Final answer
    x = 126,159.00

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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.