Home / 191,038.16-286,458.20-101,129.60

Finding the Fourth Proportional to 191,038.16, 286,458.20 and 101,129.60

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Solution

The fourth proportional to 191,038.16, 286,458.20 and 101,129.60 is: 151,641.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,038.16 : 286,458.20 = 101,129.60 : x
  2. Step 2: Convert to fraction form
    191,038.16/286,458.20 = 101,129.60/x
  3. Step 3: Cross multiply
    191,038.16x = 286,458.20 × 101,129.60
  4. Step 4: Simplify right side
    191,038.16x = 28,969,403,182.72
  5. Step 5: Solve for x
    x = 28,969,403,182.72/191,038.16
  6. Step 6: Final answer
    x = 151,641.97

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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.