Home / 211,096.65-316,677.78-70,888.08

Finding the Fourth Proportional to 211,096.65, 316,677.78 and 70,888.08

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Solution

The fourth proportional to 211,096.65, 316,677.78 and 70,888.08 is: 106,343.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,096.65 : 316,677.78 = 70,888.08 : x
  2. Step 2: Convert to fraction form
    211,096.65/316,677.78 = 70,888.08/x
  3. Step 3: Cross multiply
    211,096.65x = 316,677.78 × 70,888.08
  4. Step 4: Simplify right side
    211,096.65x = 22,448,679,802.86
  5. Step 5: Solve for x
    x = 22,448,679,802.86/211,096.65
  6. Step 6: Final answer
    x = 106,343.14

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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.