Home / 157,828.14-217,802.58-86,208.16

Finding the Fourth Proportional to 157,828.14, 217,802.58 and 86,208.16

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Solution

The fourth proportional to 157,828.14, 217,802.58 and 86,208.16 is: 118,967.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,828.14 : 217,802.58 = 86,208.16 : x
  2. Step 2: Convert to fraction form
    157,828.14/217,802.58 = 86,208.16/x
  3. Step 3: Cross multiply
    157,828.14x = 217,802.58 × 86,208.16
  4. Step 4: Simplify right side
    157,828.14x = 18,776,359,665.05
  5. Step 5: Solve for x
    x = 18,776,359,665.05/157,828.14
  6. Step 6: Final answer
    x = 118,967.12

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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.