Home / 459,075.45-688,121.10-174,656.10

Finding the Fourth Proportional to 459,075.45, 688,121.10 and 174,656.10

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Solution

The fourth proportional to 459,075.45, 688,121.10 and 174,656.10 is: 261,796.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,075.45 : 688,121.10 = 174,656.10 : x
  2. Step 2: Convert to fraction form
    459,075.45/688,121.10 = 174,656.10/x
  3. Step 3: Cross multiply
    459,075.45x = 688,121.10 × 174,656.10
  4. Step 4: Simplify right side
    459,075.45x = 120,184,547,653.71
  5. Step 5: Solve for x
    x = 120,184,547,653.71/459,075.45
  6. Step 6: Final answer
    x = 261,796.94

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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.