Home / 282,250.02-389,501.70-153,188.72

Finding the Fourth Proportional to 282,250.02, 389,501.70 and 153,188.72

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Solution

The fourth proportional to 282,250.02, 389,501.70 and 153,188.72 is: 211,398.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,250.02 : 389,501.70 = 153,188.72 : x
  2. Step 2: Convert to fraction form
    282,250.02/389,501.70 = 153,188.72/x
  3. Step 3: Cross multiply
    282,250.02x = 389,501.70 × 153,188.72
  4. Step 4: Simplify right side
    282,250.02x = 59,667,266,860.82
  5. Step 5: Solve for x
    x = 59,667,266,860.82/282,250.02
  6. Step 6: Final answer
    x = 211,398.63

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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.