Home / 157,492.35-217,357.89-89,519.54

Finding the Fourth Proportional to 157,492.35, 217,357.89 and 89,519.54

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Solution

The fourth proportional to 157,492.35, 217,357.89 and 89,519.54 is: 123,547.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,492.35 : 217,357.89 = 89,519.54 : x
  2. Step 2: Convert to fraction form
    157,492.35/217,357.89 = 89,519.54/x
  3. Step 3: Cross multiply
    157,492.35x = 217,357.89 × 89,519.54
  4. Step 4: Simplify right side
    157,492.35x = 19,457,778,328.17
  5. Step 5: Solve for x
    x = 19,457,778,328.17/157,492.35
  6. Step 6: Final answer
    x = 123,547.45

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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.