Home / 147,345.43-221,019.69-117,950.12

Finding the Fourth Proportional to 147,345.43, 221,019.69 and 117,950.12

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Solution

The fourth proportional to 147,345.43, 221,019.69 and 117,950.12 is: 176,926.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,345.43 : 221,019.69 = 117,950.12 : x
  2. Step 2: Convert to fraction form
    147,345.43/221,019.69 = 117,950.12/x
  3. Step 3: Cross multiply
    147,345.43x = 221,019.69 × 117,950.12
  4. Step 4: Simplify right side
    147,345.43x = 26,069,299,703.67
  5. Step 5: Solve for x
    x = 26,069,299,703.67/147,345.43
  6. Step 6: Final answer
    x = 176,926.42

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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.