Home / 118,313.04-163,272.84-64,599.12

Finding the Fourth Proportional to 118,313.04, 163,272.84 and 64,599.12

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Solution

The fourth proportional to 118,313.04, 163,272.84 and 64,599.12 is: 89,147.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,313.04 : 163,272.84 = 64,599.12 : x
  2. Step 2: Convert to fraction form
    118,313.04/163,272.84 = 64,599.12/x
  3. Step 3: Cross multiply
    118,313.04x = 163,272.84 × 64,599.12
  4. Step 4: Simplify right side
    118,313.04x = 10,547,281,783.90
  5. Step 5: Solve for x
    x = 10,547,281,783.90/118,313.04
  6. Step 6: Final answer
    x = 89,147.25

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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.