Home / 151,134.64-208,595.58-86,647.16

Finding the Fourth Proportional to 151,134.64, 208,595.58 and 86,647.16

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Solution

The fourth proportional to 151,134.64, 208,595.58 and 86,647.16 is: 119,590.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,134.64 : 208,595.58 = 86,647.16 : x
  2. Step 2: Convert to fraction form
    151,134.64/208,595.58 = 86,647.16/x
  3. Step 3: Cross multiply
    151,134.64x = 208,595.58 × 86,647.16
  4. Step 4: Simplify right side
    151,134.64x = 18,074,214,595.55
  5. Step 5: Solve for x
    x = 18,074,214,595.55/151,134.64
  6. Step 6: Final answer
    x = 119,590.15

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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.