Home / 661,964.40-992,941.02-188,651.16

Finding the Fourth Proportional to 661,964.40, 992,941.02 and 188,651.16

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Solution

The fourth proportional to 661,964.40, 992,941.02 and 188,651.16 is: 282,975.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,964.40 : 992,941.02 = 188,651.16 : x
  2. Step 2: Convert to fraction form
    661,964.40/992,941.02 = 188,651.16/x
  3. Step 3: Cross multiply
    661,964.40x = 992,941.02 × 188,651.16
  4. Step 4: Simplify right side
    661,964.40x = 187,319,475,234.58
  5. Step 5: Solve for x
    x = 187,319,475,234.58/661,964.40
  6. Step 6: Final answer
    x = 282,975.15

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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.