Home / 147,853.64-221,733.93-47,990.77

Finding the Fourth Proportional to 147,853.64, 221,733.93 and 47,990.77

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Solution

The fourth proportional to 147,853.64, 221,733.93 and 47,990.77 is: 71,971.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,853.64 : 221,733.93 = 47,990.77 : x
  2. Step 2: Convert to fraction form
    147,853.64/221,733.93 = 47,990.77/x
  3. Step 3: Cross multiply
    147,853.64x = 221,733.93 × 47,990.77
  4. Step 4: Simplify right side
    147,853.64x = 10,641,182,035.83
  5. Step 5: Solve for x
    x = 10,641,182,035.83/147,853.64
  6. Step 6: Final answer
    x = 71,971.05

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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.