Home / 147,890.30-221,835.45-118,365.80

Finding the Fourth Proportional to 147,890.30, 221,835.45 and 118,365.80

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Solution

The fourth proportional to 147,890.30, 221,835.45 and 118,365.80 is: 177,548.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,890.30 : 221,835.45 = 118,365.80 : x
  2. Step 2: Convert to fraction form
    147,890.30/221,835.45 = 118,365.80/x
  3. Step 3: Cross multiply
    147,890.30x = 221,835.45 × 118,365.80
  4. Step 4: Simplify right side
    147,890.30x = 26,257,730,507.61
  5. Step 5: Solve for x
    x = 26,257,730,507.61/147,890.30
  6. Step 6: Final answer
    x = 177,548.70

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1.5x scale

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.