Home / 233,743.80-322,569.90-133,139.64

Finding the Fourth Proportional to 233,743.80, 322,569.90 and 133,139.64

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Solution

The fourth proportional to 233,743.80, 322,569.90 and 133,139.64 is: 183,734.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,743.80 : 322,569.90 = 133,139.64 : x
  2. Step 2: Convert to fraction form
    233,743.80/322,569.90 = 133,139.64/x
  3. Step 3: Cross multiply
    233,743.80x = 322,569.90 × 133,139.64
  4. Step 4: Simplify right side
    233,743.80x = 42,946,840,360.84
  5. Step 5: Solve for x
    x = 42,946,840,360.84/233,743.80
  6. Step 6: Final answer
    x = 183,734.67

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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.