Home / 118,240.80-163,172.88-64,526.94

Finding the Fourth Proportional to 118,240.80, 163,172.88 and 64,526.94

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Solution

The fourth proportional to 118,240.80, 163,172.88 and 64,526.94 is: 89,047.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,240.80 : 163,172.88 = 64,526.94 : x
  2. Step 2: Convert to fraction form
    118,240.80/163,172.88 = 64,526.94/x
  3. Step 3: Cross multiply
    118,240.80x = 163,172.88 × 64,526.94
  4. Step 4: Simplify right side
    118,240.80x = 10,529,046,637.39
  5. Step 5: Solve for x
    x = 10,529,046,637.39/118,240.80
  6. Step 6: Final answer
    x = 89,047.49

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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.