Home / 316,031.18-473,947.95-105,619.91

Finding the Fourth Proportional to 316,031.18, 473,947.95 and 105,619.91

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Solution

The fourth proportional to 316,031.18, 473,947.95 and 105,619.91 is: 158,396.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,031.18 : 473,947.95 = 105,619.91 : x
  2. Step 2: Convert to fraction form
    316,031.18/473,947.95 = 105,619.91/x
  3. Step 3: Cross multiply
    316,031.18x = 473,947.95 × 105,619.91
  4. Step 4: Simplify right side
    316,031.18x = 50,058,339,823.68
  5. Step 5: Solve for x
    x = 50,058,339,823.68/316,031.18
  6. Step 6: Final answer
    x = 158,396.84

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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.