Home / 205,157.95-282,779.03-137,150.08

Finding the Fourth Proportional to 205,157.95, 282,779.03 and 137,150.08

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Solution

The fourth proportional to 205,157.95, 282,779.03 and 137,150.08 is: 189,040.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,157.95 : 282,779.03 = 137,150.08 : x
  2. Step 2: Convert to fraction form
    205,157.95/282,779.03 = 137,150.08/x
  3. Step 3: Cross multiply
    205,157.95x = 282,779.03 × 137,150.08
  4. Step 4: Simplify right side
    205,157.95x = 38,783,166,222.75
  5. Step 5: Solve for x
    x = 38,783,166,222.75/205,157.95
  6. Step 6: Final answer
    x = 189,040.53

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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.