Home / 145,973.79-218,941.85-46,144.07

Finding the Fourth Proportional to 145,973.79, 218,941.85 and 46,144.07

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Solution

The fourth proportional to 145,973.79, 218,941.85 and 46,144.07 is: 69,210.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,973.79 : 218,941.85 = 46,144.07 : x
  2. Step 2: Convert to fraction form
    145,973.79/218,941.85 = 46,144.07/x
  3. Step 3: Cross multiply
    145,973.79x = 218,941.85 × 46,144.07
  4. Step 4: Simplify right side
    145,973.79x = 10,102,866,726.90
  5. Step 5: Solve for x
    x = 10,102,866,726.90/145,973.79
  6. Step 6: Final answer
    x = 69,210.14

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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.