Home / 91,225.02-136,880.85-63,188.22

Finding the Fourth Proportional to 91,225.02, 136,880.85 and 63,188.22

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Solution

The fourth proportional to 91,225.02, 136,880.85 and 63,188.22 is: 94,812.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,225.02 : 136,880.85 = 63,188.22 : x
  2. Step 2: Convert to fraction form
    91,225.02/136,880.85 = 63,188.22/x
  3. Step 3: Cross multiply
    91,225.02x = 136,880.85 × 63,188.22
  4. Step 4: Simplify right side
    91,225.02x = 8,649,257,263.59
  5. Step 5: Solve for x
    x = 8,649,257,263.59/91,225.02
  6. Step 6: Final answer
    x = 94,812.34

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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.