Home / 210,680.17-316,019.04-70,437.58

Finding the Fourth Proportional to 210,680.17, 316,019.04 and 70,437.58

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Solution

The fourth proportional to 210,680.17, 316,019.04 and 70,437.58 is: 105,655.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,680.17 : 316,019.04 = 70,437.58 : x
  2. Step 2: Convert to fraction form
    210,680.17/316,019.04 = 70,437.58/x
  3. Step 3: Cross multiply
    210,680.17x = 316,019.04 × 70,437.58
  4. Step 4: Simplify right side
    210,680.17x = 22,259,616,411.52
  5. Step 5: Solve for x
    x = 22,259,616,411.52/210,680.17
  6. Step 6: Final answer
    x = 105,655.96

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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.