Home / 185,544.40-256,075.39-103,903.74

Finding the Fourth Proportional to 185,544.40, 256,075.39 and 103,903.74

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Solution

The fourth proportional to 185,544.40, 256,075.39 and 103,903.74 is: 143,400.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,544.40 : 256,075.39 = 103,903.74 : x
  2. Step 2: Convert to fraction form
    185,544.40/256,075.39 = 103,903.74/x
  3. Step 3: Cross multiply
    185,544.40x = 256,075.39 × 103,903.74
  4. Step 4: Simplify right side
    185,544.40x = 26,607,188,943.06
  5. Step 5: Solve for x
    x = 26,607,188,943.06/185,544.40
  6. Step 6: Final answer
    x = 143,400.66

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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.