Home / 152,283.15-210,170.34-91,886.40

Finding the Fourth Proportional to 152,283.15, 210,170.34 and 91,886.40

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Solution

The fourth proportional to 152,283.15, 210,170.34 and 91,886.40 is: 126,815.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,283.15 : 210,170.34 = 91,886.40 : x
  2. Step 2: Convert to fraction form
    152,283.15/210,170.34 = 91,886.40/x
  3. Step 3: Cross multiply
    152,283.15x = 210,170.34 × 91,886.40
  4. Step 4: Simplify right side
    152,283.15x = 19,311,795,929.38
  5. Step 5: Solve for x
    x = 19,311,795,929.38/152,283.15
  6. Step 6: Final answer
    x = 126,815.05

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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.