Home / 88,225.06-131,602.73-79,711.40

Finding the Fourth Proportional to 88,225.06, 131,602.73 and 79,711.40

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Solution

The fourth proportional to 88,225.06, 131,602.73 and 79,711.40 is: 118,903.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,225.06 : 131,602.73 = 79,711.40 : x
  2. Step 2: Convert to fraction form
    88,225.06/131,602.73 = 79,711.40/x
  3. Step 3: Cross multiply
    88,225.06x = 131,602.73 × 79,711.40
  4. Step 4: Simplify right side
    88,225.06x = 10,490,237,967.64
  5. Step 5: Solve for x
    x = 10,490,237,967.64/88,225.06
  6. Step 6: Final answer
    x = 118,903.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.