Home / 289,020.01-398,981.52-168,117.25

Finding the Fourth Proportional to 289,020.01, 398,981.52 and 168,117.25

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Solution

The fourth proportional to 289,020.01, 398,981.52 and 168,117.25 is: 232,079.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,020.01 : 398,981.52 = 168,117.25 : x
  2. Step 2: Convert to fraction form
    289,020.01/398,981.52 = 168,117.25/x
  3. Step 3: Cross multiply
    289,020.01x = 398,981.52 × 168,117.25
  4. Step 4: Simplify right side
    289,020.01x = 67,075,675,943.22
  5. Step 5: Solve for x
    x = 67,075,675,943.22/289,020.01
  6. Step 6: Final answer
    x = 232,079.70

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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.