Home / 118,230.32-163,153.48-64,514.19

Finding the Fourth Proportional to 118,230.32, 163,153.48 and 64,514.19

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Solution

The fourth proportional to 118,230.32, 163,153.48 and 64,514.19 is: 89,027.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,230.32 : 163,153.48 = 64,514.19 : x
  2. Step 2: Convert to fraction form
    118,230.32/163,153.48 = 64,514.19/x
  3. Step 3: Cross multiply
    118,230.32x = 163,153.48 × 64,514.19
  4. Step 4: Simplify right side
    118,230.32x = 10,525,713,792.11
  5. Step 5: Solve for x
    x = 10,525,713,792.11/118,230.32
  6. Step 6: Final answer
    x = 89,027.20

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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.