Home / 213,560.99-294,665.20-127,503.21

Finding the Fourth Proportional to 213,560.99, 294,665.20 and 127,503.21

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Solution

The fourth proportional to 213,560.99, 294,665.20 and 127,503.21 is: 175,925.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,560.99 : 294,665.20 = 127,503.21 : x
  2. Step 2: Convert to fraction form
    213,560.99/294,665.20 = 127,503.21/x
  3. Step 3: Cross multiply
    213,560.99x = 294,665.20 × 127,503.21
  4. Step 4: Simplify right side
    213,560.99x = 37,570,758,875.29
  5. Step 5: Solve for x
    x = 37,570,758,875.29/213,560.99
  6. Step 6: Final answer
    x = 175,925.20

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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.