Home / 98,106.30-147,159.45-48,218.40

Finding the Fourth Proportional to 98,106.30, 147,159.45 and 48,218.40

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Solution

The fourth proportional to 98,106.30, 147,159.45 and 48,218.40 is: 72,327.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,106.30 : 147,159.45 = 48,218.40 : x
  2. Step 2: Convert to fraction form
    98,106.30/147,159.45 = 48,218.40/x
  3. Step 3: Cross multiply
    98,106.30x = 147,159.45 × 48,218.40
  4. Step 4: Simplify right side
    98,106.30x = 7,095,793,223.88
  5. Step 5: Solve for x
    x = 7,095,793,223.88/98,106.30
  6. Step 6: Final answer
    x = 72,327.60

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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.