Home / 191,126.19-286,690.20-58,007.60

Finding the Fourth Proportional to 191,126.19, 286,690.20 and 58,007.60

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Solution

The fourth proportional to 191,126.19, 286,690.20 and 58,007.60 is: 87,011.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,126.19 : 286,690.20 = 58,007.60 : x
  2. Step 2: Convert to fraction form
    191,126.19/286,690.20 = 58,007.60/x
  3. Step 3: Cross multiply
    191,126.19x = 286,690.20 × 58,007.60
  4. Step 4: Simplify right side
    191,126.19x = 16,630,211,002.24
  5. Step 5: Solve for x
    x = 16,630,211,002.24/191,126.19
  6. Step 6: Final answer
    x = 87,011.68

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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.