Home / 130,547.15-195,817.98-70,604.21

Finding the Fourth Proportional to 130,547.15, 195,817.98 and 70,604.21

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Solution

The fourth proportional to 130,547.15, 195,817.98 and 70,604.21 is: 105,904.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,547.15 : 195,817.98 = 70,604.21 : x
  2. Step 2: Convert to fraction form
    130,547.15/195,817.98 = 70,604.21/x
  3. Step 3: Cross multiply
    130,547.15x = 195,817.98 × 70,604.21
  4. Step 4: Simplify right side
    130,547.15x = 13,825,572,802.61
  5. Step 5: Solve for x
    x = 13,825,572,802.61/130,547.15
  6. Step 6: Final answer
    x = 105,904.83

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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.