Home / 107,136.90-147,838.98-59,386.19

Finding the Fourth Proportional to 107,136.90, 147,838.98 and 59,386.19

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Solution

The fourth proportional to 107,136.90, 147,838.98 and 59,386.19 is: 81,947.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,136.90 : 147,838.98 = 59,386.19 : x
  2. Step 2: Convert to fraction form
    107,136.90/147,838.98 = 59,386.19/x
  3. Step 3: Cross multiply
    107,136.90x = 147,838.98 × 59,386.19
  4. Step 4: Simplify right side
    107,136.90x = 8,779,593,016.49
  5. Step 5: Solve for x
    x = 8,779,593,016.49/107,136.90
  6. Step 6: Final answer
    x = 81,947.42

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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.