Home / 460,030.80-690,040.03-118,472.34

Finding the Fourth Proportional to 460,030.80, 690,040.03 and 118,472.34

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Solution

The fourth proportional to 460,030.80, 690,040.03 and 118,472.34 is: 177,706.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,030.80 : 690,040.03 = 118,472.34 : x
  2. Step 2: Convert to fraction form
    460,030.80/690,040.03 = 118,472.34/x
  3. Step 3: Cross multiply
    460,030.80x = 690,040.03 × 118,472.34
  4. Step 4: Simplify right side
    460,030.80x = 81,750,657,047.77
  5. Step 5: Solve for x
    x = 81,750,657,047.77/460,030.80
  6. Step 6: Final answer
    x = 177,706.92

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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.