Home / 144,049.08-198,875.34-98,801.40

Finding the Fourth Proportional to 144,049.08, 198,875.34 and 98,801.40

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Solution

The fourth proportional to 144,049.08, 198,875.34 and 98,801.40 is: 136,406.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,049.08 : 198,875.34 = 98,801.40 : x
  2. Step 2: Convert to fraction form
    144,049.08/198,875.34 = 98,801.40/x
  3. Step 3: Cross multiply
    144,049.08x = 198,875.34 × 98,801.40
  4. Step 4: Simplify right side
    144,049.08x = 19,649,162,017.48
  5. Step 5: Solve for x
    x = 19,649,162,017.48/144,049.08
  6. Step 6: Final answer
    x = 136,406.02

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1.5x scale

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.