Home / 101,211.48-151,817.40-31,090.32

Finding the Fourth Proportional to 101,211.48, 151,817.40 and 31,090.32

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Solution

The fourth proportional to 101,211.48, 151,817.40 and 31,090.32 is: 46,635.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,211.48 : 151,817.40 = 31,090.32 : x
  2. Step 2: Convert to fraction form
    101,211.48/151,817.40 = 31,090.32/x
  3. Step 3: Cross multiply
    101,211.48x = 151,817.40 × 31,090.32
  4. Step 4: Simplify right side
    101,211.48x = 4,720,051,547.57
  5. Step 5: Solve for x
    x = 4,720,051,547.57/101,211.48
  6. Step 6: Final answer
    x = 46,635.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.