Home / 118,302.54-163,257.75-64,587.57

Finding the Fourth Proportional to 118,302.54, 163,257.75 and 64,587.57

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Solution

The fourth proportional to 118,302.54, 163,257.75 and 64,587.57 is: 89,130.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,302.54 : 163,257.75 = 64,587.57 : x
  2. Step 2: Convert to fraction form
    118,302.54/163,257.75 = 64,587.57/x
  3. Step 3: Cross multiply
    118,302.54x = 163,257.75 × 64,587.57
  4. Step 4: Simplify right side
    118,302.54x = 10,544,421,356.17
  5. Step 5: Solve for x
    x = 10,544,421,356.17/118,302.54
  6. Step 6: Final answer
    x = 89,130.98

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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.