Home / 144,529.45-216,830.93-55,759.12

Finding the Fourth Proportional to 144,529.45, 216,830.93 and 55,759.12

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Solution

The fourth proportional to 144,529.45, 216,830.93 and 55,759.12 is: 83,652.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,529.45 : 216,830.93 = 55,759.12 : x
  2. Step 2: Convert to fraction form
    144,529.45/216,830.93 = 55,759.12/x
  3. Step 3: Cross multiply
    144,529.45x = 216,830.93 × 55,759.12
  4. Step 4: Simplify right side
    144,529.45x = 12,090,301,024.71
  5. Step 5: Solve for x
    x = 12,090,301,024.71/144,529.45
  6. Step 6: Final answer
    x = 83,652.86

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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.