Home / 98,182.31-147,136.16-53,106.32

Finding the Fourth Proportional to 98,182.31, 147,136.16 and 53,106.32

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Solution

The fourth proportional to 98,182.31, 147,136.16 and 53,106.32 is: 79,585.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,182.31 : 147,136.16 = 53,106.32 : x
  2. Step 2: Convert to fraction form
    98,182.31/147,136.16 = 53,106.32/x
  3. Step 3: Cross multiply
    98,182.31x = 147,136.16 × 53,106.32
  4. Step 4: Simplify right side
    98,182.31x = 7,813,860,497.14
  5. Step 5: Solve for x
    x = 7,813,860,497.14/98,182.31
  6. Step 6: Final answer
    x = 79,585.22

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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.