Home / 118,239.84-163,170.09-64,523.67

Finding the Fourth Proportional to 118,239.84, 163,170.09 and 64,523.67

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Solution

The fourth proportional to 118,239.84, 163,170.09 and 64,523.67 is: 89,042.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,239.84 : 163,170.09 = 64,523.67 : x
  2. Step 2: Convert to fraction form
    118,239.84/163,170.09 = 64,523.67/x
  3. Step 3: Cross multiply
    118,239.84x = 163,170.09 × 64,523.67
  4. Step 4: Simplify right side
    118,239.84x = 10,528,333,041.03
  5. Step 5: Solve for x
    x = 10,528,333,041.03/118,239.84
  6. Step 6: Final answer
    x = 89,042.18

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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.