Home / 144,441.12-216,660.72-39,259.68

Finding the Fourth Proportional to 144,441.12, 216,660.72 and 39,259.68

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Solution

The fourth proportional to 144,441.12, 216,660.72 and 39,259.68 is: 58,889.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,441.12 : 216,660.72 = 39,259.68 : x
  2. Step 2: Convert to fraction form
    144,441.12/216,660.72 = 39,259.68/x
  3. Step 3: Cross multiply
    144,441.12x = 216,660.72 × 39,259.68
  4. Step 4: Simplify right side
    144,441.12x = 8,506,030,535.77
  5. Step 5: Solve for x
    x = 8,506,030,535.77/144,441.12
  6. Step 6: Final answer
    x = 58,889.26

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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.