Home / 285,280.03-427,987.59-93,153.52

Finding the Fourth Proportional to 285,280.03, 427,987.59 and 93,153.52

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Solution

The fourth proportional to 285,280.03, 427,987.59 and 93,153.52 is: 139,752.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,280.03 : 427,987.59 = 93,153.52 : x
  2. Step 2: Convert to fraction form
    285,280.03/427,987.59 = 93,153.52/x
  3. Step 3: Cross multiply
    285,280.03x = 427,987.59 × 93,153.52
  4. Step 4: Simplify right side
    285,280.03x = 39,868,550,524.82
  5. Step 5: Solve for x
    x = 39,868,550,524.82/285,280.03
  6. Step 6: Final answer
    x = 139,752.34

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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.