Home / 266,075.51-398,901.33-153,628.18

Finding the Fourth Proportional to 266,075.51, 398,901.33 and 153,628.18

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Solution

The fourth proportional to 266,075.51, 398,901.33 and 153,628.18 is: 230,319.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,075.51 : 398,901.33 = 153,628.18 : x
  2. Step 2: Convert to fraction form
    266,075.51/398,901.33 = 153,628.18/x
  3. Step 3: Cross multiply
    266,075.51x = 398,901.33 × 153,628.18
  4. Step 4: Simplify right side
    266,075.51x = 61,282,484,330.23
  5. Step 5: Solve for x
    x = 61,282,484,330.23/266,075.51
  6. Step 6: Final answer
    x = 230,319.90

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1.5x scale

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.