Home / 146,036.95-201,526.63-81,508.03

Finding the Fourth Proportional to 146,036.95, 201,526.63 and 81,508.03

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Solution

The fourth proportional to 146,036.95, 201,526.63 and 81,508.03 is: 112,478.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,036.95 : 201,526.63 = 81,508.03 : x
  2. Step 2: Convert to fraction form
    146,036.95/201,526.63 = 81,508.03/x
  3. Step 3: Cross multiply
    146,036.95x = 201,526.63 × 81,508.03
  4. Step 4: Simplify right side
    146,036.95x = 16,426,038,603.84
  5. Step 5: Solve for x
    x = 16,426,038,603.84/146,036.95
  6. Step 6: Final answer
    x = 112,478.65

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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.