Home / 176,332.23-243,343.29-103,740.23

Finding the Fourth Proportional to 176,332.23, 243,343.29 and 103,740.23

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Solution

The fourth proportional to 176,332.23, 243,343.29 and 103,740.23 is: 143,164.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,332.23 : 243,343.29 = 103,740.23 : x
  2. Step 2: Convert to fraction form
    176,332.23/243,343.29 = 103,740.23/x
  3. Step 3: Cross multiply
    176,332.23x = 243,343.29 × 103,740.23
  4. Step 4: Simplify right side
    176,332.23x = 25,244,487,656.84
  5. Step 5: Solve for x
    x = 25,244,487,656.84/176,332.23
  6. Step 6: Final answer
    x = 143,164.34

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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.