Home / 141,085.04-194,699.73-77,428.76

Finding the Fourth Proportional to 141,085.04, 194,699.73 and 77,428.76

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Solution

The fourth proportional to 141,085.04, 194,699.73 and 77,428.76 is: 106,852.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,085.04 : 194,699.73 = 77,428.76 : x
  2. Step 2: Convert to fraction form
    141,085.04/194,699.73 = 77,428.76/x
  3. Step 3: Cross multiply
    141,085.04x = 194,699.73 × 77,428.76
  4. Step 4: Simplify right side
    141,085.04x = 15,075,358,666.23
  5. Step 5: Solve for x
    x = 15,075,358,666.23/141,085.04
  6. Step 6: Final answer
    x = 106,852.99

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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.