Home / 127,263.70-190,895.55-97,830.10

Finding the Fourth Proportional to 127,263.70, 190,895.55 and 97,830.10

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Solution

The fourth proportional to 127,263.70, 190,895.55 and 97,830.10 is: 146,745.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,263.70 : 190,895.55 = 97,830.10 : x
  2. Step 2: Convert to fraction form
    127,263.70/190,895.55 = 97,830.10/x
  3. Step 3: Cross multiply
    127,263.70x = 190,895.55 × 97,830.10
  4. Step 4: Simplify right side
    127,263.70x = 18,675,330,746.06
  5. Step 5: Solve for x
    x = 18,675,330,746.06/127,263.70
  6. Step 6: Final answer
    x = 146,745.15

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1.5x scale

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.