Home / 118,018.97-177,182.78-70,075.07

Finding the Fourth Proportional to 118,018.97, 177,182.78 and 70,075.07

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Solution

The fourth proportional to 118,018.97, 177,182.78 and 70,075.07 is: 105,204.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,018.97 : 177,182.78 = 70,075.07 : x
  2. Step 2: Convert to fraction form
    118,018.97/177,182.78 = 70,075.07/x
  3. Step 3: Cross multiply
    118,018.97x = 177,182.78 × 70,075.07
  4. Step 4: Simplify right side
    118,018.97x = 12,416,095,711.29
  5. Step 5: Solve for x
    x = 12,416,095,711.29/118,018.97
  6. Step 6: Final answer
    x = 105,204.24

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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.