Home / 191,062.35-286,596.23-72,740.16

Finding the Fourth Proportional to 191,062.35, 286,596.23 and 72,740.16

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Solution

The fourth proportional to 191,062.35, 286,596.23 and 72,740.16 is: 109,111.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,062.35 : 286,596.23 = 72,740.16 : x
  2. Step 2: Convert to fraction form
    191,062.35/286,596.23 = 72,740.16/x
  3. Step 3: Cross multiply
    191,062.35x = 286,596.23 × 72,740.16
  4. Step 4: Simplify right side
    191,062.35x = 20,847,055,261.90
  5. Step 5: Solve for x
    x = 20,847,055,261.90/191,062.35
  6. Step 6: Final answer
    x = 109,111.27

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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.