Home / 144,599.04-199,669.76-90,973.76

Finding the Fourth Proportional to 144,599.04, 199,669.76 and 90,973.76

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Solution

The fourth proportional to 144,599.04, 199,669.76 and 90,973.76 is: 125,621.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,599.04 : 199,669.76 = 90,973.76 : x
  2. Step 2: Convert to fraction form
    144,599.04/199,669.76 = 90,973.76/x
  3. Step 3: Cross multiply
    144,599.04x = 199,669.76 × 90,973.76
  4. Step 4: Simplify right side
    144,599.04x = 18,164,708,825.50
  5. Step 5: Solve for x
    x = 18,164,708,825.50/144,599.04
  6. Step 6: Final answer
    x = 125,621.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.