Home / 110,008.15-151,798.65-61,603.33

Finding the Fourth Proportional to 110,008.15, 151,798.65 and 61,603.33

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Solution

The fourth proportional to 110,008.15, 151,798.65 and 61,603.33 is: 85,005.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,008.15 : 151,798.65 = 61,603.33 : x
  2. Step 2: Convert to fraction form
    110,008.15/151,798.65 = 61,603.33/x
  3. Step 3: Cross multiply
    110,008.15x = 151,798.65 × 61,603.33
  4. Step 4: Simplify right side
    110,008.15x = 9,351,302,329.50
  5. Step 5: Solve for x
    x = 9,351,302,329.50/110,008.15
  6. Step 6: Final answer
    x = 85,005.54

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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.