Home / 121,312.60-181,968.90-95,943.40

Finding the Fourth Proportional to 121,312.60, 181,968.90 and 95,943.40

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Solution

The fourth proportional to 121,312.60, 181,968.90 and 95,943.40 is: 143,915.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,312.60 : 181,968.90 = 95,943.40 : x
  2. Step 2: Convert to fraction form
    121,312.60/181,968.90 = 95,943.40/x
  3. Step 3: Cross multiply
    121,312.60x = 181,968.90 × 95,943.40
  4. Step 4: Simplify right side
    121,312.60x = 17,458,714,960.26
  5. Step 5: Solve for x
    x = 17,458,714,960.26/121,312.60
  6. Step 6: Final answer
    x = 143,915.10

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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.