Home / 118,518.90-163,552.93-70,123.32

Finding the Fourth Proportional to 118,518.90, 163,552.93 and 70,123.32

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Solution

The fourth proportional to 118,518.90, 163,552.93 and 70,123.32 is: 96,768.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,518.90 : 163,552.93 = 70,123.32 : x
  2. Step 2: Convert to fraction form
    118,518.90/163,552.93 = 70,123.32/x
  3. Step 3: Cross multiply
    118,518.90x = 163,552.93 × 70,123.32
  4. Step 4: Simplify right side
    118,518.90x = 11,468,874,447.33
  5. Step 5: Solve for x
    x = 11,468,874,447.33/118,518.90
  6. Step 6: Final answer
    x = 96,768.32

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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.