Home / 144,590.04-216,860.46-39,384.40

Finding the Fourth Proportional to 144,590.04, 216,860.46 and 39,384.40

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Solution

The fourth proportional to 144,590.04, 216,860.46 and 39,384.40 is: 59,069.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,590.04 : 216,860.46 = 39,384.40 : x
  2. Step 2: Convert to fraction form
    144,590.04/216,860.46 = 39,384.40/x
  3. Step 3: Cross multiply
    144,590.04x = 216,860.46 × 39,384.40
  4. Step 4: Simplify right side
    144,590.04x = 8,540,919,100.82
  5. Step 5: Solve for x
    x = 8,540,919,100.82/144,590.04
  6. Step 6: Final answer
    x = 59,069.90

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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.