Home / 105,440.30-158,160.45-95,590.70

Finding the Fourth Proportional to 105,440.30, 158,160.45 and 95,590.70

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Solution

The fourth proportional to 105,440.30, 158,160.45 and 95,590.70 is: 143,386.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,440.30 : 158,160.45 = 95,590.70 : x
  2. Step 2: Convert to fraction form
    105,440.30/158,160.45 = 95,590.70/x
  3. Step 3: Cross multiply
    105,440.30x = 158,160.45 × 95,590.70
  4. Step 4: Simplify right side
    105,440.30x = 15,118,668,127.82
  5. Step 5: Solve for x
    x = 15,118,668,127.82/105,440.30
  6. Step 6: Final answer
    x = 143,386.05

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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.