Home / 489,045.18-733,567.08-134,086.90

Finding the Fourth Proportional to 489,045.18, 733,567.08 and 134,086.90

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Solution

The fourth proportional to 489,045.18, 733,567.08 and 134,086.90 is: 201,130.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,045.18 : 733,567.08 = 134,086.90 : x
  2. Step 2: Convert to fraction form
    489,045.18/733,567.08 = 134,086.90/x
  3. Step 3: Cross multiply
    489,045.18x = 733,567.08 × 134,086.90
  4. Step 4: Simplify right side
    489,045.18x = 98,361,735,699.25
  5. Step 5: Solve for x
    x = 98,361,735,699.25/489,045.18
  6. Step 6: Final answer
    x = 201,130.16

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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.