Home / 140,547.84-193,955.43-76,017.15

Finding the Fourth Proportional to 140,547.84, 193,955.43 and 76,017.15

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Solution

The fourth proportional to 140,547.84, 193,955.43 and 76,017.15 is: 104,903.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,547.84 : 193,955.43 = 76,017.15 : x
  2. Step 2: Convert to fraction form
    140,547.84/193,955.43 = 76,017.15/x
  3. Step 3: Cross multiply
    140,547.84x = 193,955.43 × 76,017.15
  4. Step 4: Simplify right side
    140,547.84x = 14,743,939,015.62
  5. Step 5: Solve for x
    x = 14,743,939,015.62/140,547.84
  6. Step 6: Final answer
    x = 104,903.35

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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.