Home / 112,445.67-155,074.50-93,295.07

Finding the Fourth Proportional to 112,445.67, 155,074.50 and 93,295.07

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Solution

The fourth proportional to 112,445.67, 155,074.50 and 93,295.07 is: 128,663.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,445.67 : 155,074.50 = 93,295.07 : x
  2. Step 2: Convert to fraction form
    112,445.67/155,074.50 = 93,295.07/x
  3. Step 3: Cross multiply
    112,445.67x = 155,074.50 × 93,295.07
  4. Step 4: Simplify right side
    112,445.67x = 14,467,685,702.72
  5. Step 5: Solve for x
    x = 14,467,685,702.72/112,445.67
  6. Step 6: Final answer
    x = 128,663.79

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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.