Home / 118,075.76-177,141.36-47,002.72

Finding the Fourth Proportional to 118,075.76, 177,141.36 and 47,002.72

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Solution

The fourth proportional to 118,075.76, 177,141.36 and 47,002.72 is: 70,515.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,075.76 : 177,141.36 = 47,002.72 : x
  2. Step 2: Convert to fraction form
    118,075.76/177,141.36 = 47,002.72/x
  3. Step 3: Cross multiply
    118,075.76x = 177,141.36 × 47,002.72
  4. Step 4: Simplify right side
    118,075.76x = 8,326,125,744.50
  5. Step 5: Solve for x
    x = 8,326,125,744.50/118,075.76
  6. Step 6: Final answer
    x = 70,515.11

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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.