Home / 144,166.08-199,036.80-98,918.40

Finding the Fourth Proportional to 144,166.08, 199,036.80 and 98,918.40

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Solution

The fourth proportional to 144,166.08, 199,036.80 and 98,918.40 is: 136,567.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,166.08 : 199,036.80 = 98,918.40 : x
  2. Step 2: Convert to fraction form
    144,166.08/199,036.80 = 98,918.40/x
  3. Step 3: Cross multiply
    144,166.08x = 199,036.80 × 98,918.40
  4. Step 4: Simplify right side
    144,166.08x = 19,688,401,797.12
  5. Step 5: Solve for x
    x = 19,688,401,797.12/144,166.08
  6. Step 6: Final answer
    x = 136,567.50

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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.