Home / 352,547.10-528,708.51-115,835.22

Finding the Fourth Proportional to 352,547.10, 528,708.51 and 115,835.22

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Solution

The fourth proportional to 352,547.10, 528,708.51 and 115,835.22 is: 173,715.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,547.10 : 528,708.51 = 115,835.22 : x
  2. Step 2: Convert to fraction form
    352,547.10/528,708.51 = 115,835.22/x
  3. Step 3: Cross multiply
    352,547.10x = 528,708.51 × 115,835.22
  4. Step 4: Simplify right side
    352,547.10x = 61,243,066,571.72
  5. Step 5: Solve for x
    x = 61,243,066,571.72/352,547.10
  6. Step 6: Final answer
    x = 173,715.98

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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.