Home / 157,190.04-216,925.02-85,572.12

Finding the Fourth Proportional to 157,190.04, 216,925.02 and 85,572.12

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Solution

The fourth proportional to 157,190.04, 216,925.02 and 85,572.12 is: 118,091.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,190.04 : 216,925.02 = 85,572.12 : x
  2. Step 2: Convert to fraction form
    157,190.04/216,925.02 = 85,572.12/x
  3. Step 3: Cross multiply
    157,190.04x = 216,925.02 × 85,572.12
  4. Step 4: Simplify right side
    157,190.04x = 18,562,733,842.44
  5. Step 5: Solve for x
    x = 18,562,733,842.44/157,190.04
  6. Step 6: Final answer
    x = 118,091.03

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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.