Home / 130,792.47-180,453.98-73,425.74

Finding the Fourth Proportional to 130,792.47, 180,453.98 and 73,425.74

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Solution

The fourth proportional to 130,792.47, 180,453.98 and 73,425.74 is: 101,305.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,792.47 : 180,453.98 = 73,425.74 : x
  2. Step 2: Convert to fraction form
    130,792.47/180,453.98 = 73,425.74/x
  3. Step 3: Cross multiply
    130,792.47x = 180,453.98 × 73,425.74
  4. Step 4: Simplify right side
    130,792.47x = 13,249,966,900.77
  5. Step 5: Solve for x
    x = 13,249,966,900.77/130,792.47
  6. Step 6: Final answer
    x = 101,305.27

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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.