Home / 190,300.32-262,603.08-105,411.24

Finding the Fourth Proportional to 190,300.32, 262,603.08 and 105,411.24

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Solution

The fourth proportional to 190,300.32, 262,603.08 and 105,411.24 is: 145,461.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,300.32 : 262,603.08 = 105,411.24 : x
  2. Step 2: Convert to fraction form
    190,300.32/262,603.08 = 105,411.24/x
  3. Step 3: Cross multiply
    190,300.32x = 262,603.08 × 105,411.24
  4. Step 4: Simplify right side
    190,300.32x = 27,681,316,290.62
  5. Step 5: Solve for x
    x = 27,681,316,290.62/190,300.32
  6. Step 6: Final answer
    x = 145,461.22

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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.