Home / 157,569.51-217,437.18-89,577.05

Finding the Fourth Proportional to 157,569.51, 217,437.18 and 89,577.05

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Solution

The fourth proportional to 157,569.51, 217,437.18 and 89,577.05 is: 123,611.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,569.51 : 217,437.18 = 89,577.05 : x
  2. Step 2: Convert to fraction form
    157,569.51/217,437.18 = 89,577.05/x
  3. Step 3: Cross multiply
    157,569.51x = 217,437.18 × 89,577.05
  4. Step 4: Simplify right side
    157,569.51x = 19,477,379,721.62
  5. Step 5: Solve for x
    x = 19,477,379,721.62/157,569.51
  6. Step 6: Final answer
    x = 123,611.35

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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.