Home / 151,242.40-208,450.80-110,870.32

Finding the Fourth Proportional to 151,242.40, 208,450.80 and 110,870.32

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Solution

The fourth proportional to 151,242.40, 208,450.80 and 110,870.32 is: 152,807.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,242.40 : 208,450.80 = 110,870.32 : x
  2. Step 2: Convert to fraction form
    151,242.40/208,450.80 = 110,870.32/x
  3. Step 3: Cross multiply
    151,242.40x = 208,450.80 × 110,870.32
  4. Step 4: Simplify right side
    151,242.40x = 23,111,006,900.26
  5. Step 5: Solve for x
    x = 23,111,006,900.26/151,242.40
  6. Step 6: Final answer
    x = 152,807.72

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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.