Home / 134,769.60-202,117.95-39,999.60

Finding the Fourth Proportional to 134,769.60, 202,117.95 and 39,999.60

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Solution

The fourth proportional to 134,769.60, 202,117.95 and 39,999.60 is: 59,988.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,769.60 : 202,117.95 = 39,999.60 : x
  2. Step 2: Convert to fraction form
    134,769.60/202,117.95 = 39,999.60/x
  3. Step 3: Cross multiply
    134,769.60x = 202,117.95 × 39,999.60
  4. Step 4: Simplify right side
    134,769.60x = 8,084,637,152.82
  5. Step 5: Solve for x
    x = 8,084,637,152.82/134,769.60
  6. Step 6: Final answer
    x = 59,988.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.