Home / 118,623.02-163,701.82-64,912.74

Finding the Fourth Proportional to 118,623.02, 163,701.82 and 64,912.74

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Solution

The fourth proportional to 118,623.02, 163,701.82 and 64,912.74 is: 89,580.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,623.02 : 163,701.82 = 64,912.74 : x
  2. Step 2: Convert to fraction form
    118,623.02/163,701.82 = 64,912.74/x
  3. Step 3: Cross multiply
    118,623.02x = 163,701.82 × 64,912.74
  4. Step 4: Simplify right side
    118,623.02x = 10,626,333,679.19
  5. Step 5: Solve for x
    x = 10,626,333,679.19/118,623.02
  6. Step 6: Final answer
    x = 89,580.70

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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.