Home / 106,547.74-147,091.16-77,835.16

Finding the Fourth Proportional to 106,547.74, 147,091.16 and 77,835.16

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Solution

The fourth proportional to 106,547.74, 147,091.16 and 77,835.16 is: 107,452.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,547.74 : 147,091.16 = 77,835.16 : x
  2. Step 2: Convert to fraction form
    106,547.74/147,091.16 = 77,835.16/x
  3. Step 3: Cross multiply
    106,547.74x = 147,091.16 × 77,835.16
  4. Step 4: Simplify right side
    106,547.74x = 11,448,863,973.19
  5. Step 5: Solve for x
    x = 11,448,863,973.19/106,547.74
  6. Step 6: Final answer
    x = 107,452.90

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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.