Home / 140,666.16-210,955.12-40,833.28

Finding the Fourth Proportional to 140,666.16, 210,955.12 and 40,833.28

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Solution

The fourth proportional to 140,666.16, 210,955.12 and 40,833.28 is: 61,237.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,666.16 : 210,955.12 = 40,833.28 : x
  2. Step 2: Convert to fraction form
    140,666.16/210,955.12 = 40,833.28/x
  3. Step 3: Cross multiply
    140,666.16x = 210,955.12 × 40,833.28
  4. Step 4: Simplify right side
    140,666.16x = 8,613,989,482.39
  5. Step 5: Solve for x
    x = 8,613,989,482.39/140,666.16
  6. Step 6: Final answer
    x = 61,237.11

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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.