Home / 157,510.69-236,223.64-57,671.40

Finding the Fourth Proportional to 157,510.69, 236,223.64 and 57,671.40

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Solution

The fourth proportional to 157,510.69, 236,223.64 and 57,671.40 is: 86,491.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,510.69 : 236,223.64 = 57,671.40 : x
  2. Step 2: Convert to fraction form
    157,510.69/236,223.64 = 57,671.40/x
  3. Step 3: Cross multiply
    157,510.69x = 236,223.64 × 57,671.40
  4. Step 4: Simplify right side
    157,510.69x = 13,623,347,887.72
  5. Step 5: Solve for x
    x = 13,623,347,887.72/157,510.69
  6. Step 6: Final answer
    x = 86,491.58

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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.